Esa sirf har 823 saal bad

sal 2011 me 4 esi dates aati hen jo k Aam_tor pe nahe atien
1/1/11, 1/11/11, 11/1/11, 11/11/11
aur sirf itna hi nahi
Jis year me ap peda hoy thy us year k akhri 2 digit len, ab tk apki jitni Umr bnti hy wo is me add kren
to har Shakhs k lye answer 111 nikly ga!
For example
koi 1985 my peda howa aur 2011 tk uski Umr 26 sal hy to
85+26=111
aur
Is Sal October me 5 Saturdays, 5 Sundays or 5 Mondays hongy
Esa sirf har 823 saal bad hota hy.